chromium/src/third_party/blink/renderer/core/html/media/media_fragment_uri_parser.h

/*
 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_MEDIA_MEDIA_FRAGMENT_URI_PARSER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_MEDIA_MEDIA_FRAGMENT_URI_PARSER_H_

#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class KURL;

class MediaFragmentURIParser final {
  STACK_ALLOCATED();

 public:
  MediaFragmentURIParser(const KURL&);

  double StartTime();
  double EndTime();

 private:
  void ParseFragments();

  enum TimeFormat {
    kNone,
    kInvalid,
    kNormalPlayTime,
    kSMPTETimeCode,
    kWallClockTimeCode
  };
  void ParseTimeFragment();
  bool ParseNPTFragment(const char*,
                        unsigned length,
                        double& start_time,
                        double& end_time);
  bool ParseNPTTime(const char*,
                    unsigned length,
                    unsigned& offset,
                    double& time);

  KURL url_;
  TimeFormat time_format_;
  double start_time_;
  double end_time_;
  Vector<std::pair<std::string, std::string>> fragments_;
};

}  // namespace blink

#endif